Even R1 Smart Ring vs Tire Tread Rugged Sport Band: which is safer?

Even R1 Smart Ring is our pick: better on PFAS and on the overall hazard picture.

Our pick

Even R1 Smart Ring

Even Realities

Even R1 Smart Ring

PFAS grade

Excellent 85/100

Overall grade

Excellent 77/100

Verdict

Buy

Hazard flags

⚑ 2

Material

titanium, stainless steel, sapphire crystal

Confidence

72%

PossibleBand material variability

PossibleSkin sensitization from sweat pooling

CARTERJETT Tire Tread Rugged Sport Band

Carterjett

Tire Tread Rugged Sport Band

PFAS grade

Excellent 85/100

Overall grade

Good 59/100

Verdict

Skip

Hazard flags

⚑ 3

Material

elastomer sport band, likely silicone or rubber

Confidence

72%

PossibleElastomer degradation and leaching

PossibleHeavy metals in carbon black or fillers

PossibleContact dermatitis from accelerators or antioxidants

Where these two actually differ

  • We flag Band material variability and Skin sensitization from sweat pooling on the Even Realities and not on the Carterjett.
  • We flag Elastomer degradation and leaching, Heavy metals in carbon black or fillers and Contact dermatitis from accelerators or antioxidants on the Carterjett and not on the Even Realities.
  • The Even Realities is titanium, stainless steel, sapphire crystal where the Carterjett is elastomer sport band, likely silicone or rubber, which is most of the difference in these two grades.
  • These two are level, close enough that price and fit should decide it rather than our grade.

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More water-resistant smart rings & bands: see the full ranking